Detailed text transcripts for TV channel - CNN - 20100805:21:58:00
Very unique pledge. lisa sylvester has been looking into the story for us. tell the viewers what is going on, lisa? >> well, wolf, something to keep in mind, this is not a legal contract, but a public declaration, and as they put it, a moral agreement or commitment to leave at least half of the net worth to charity either when they are alive or upon their death. >> well, keep moving. >> reporter: they are all billionaires and many of them household names. buffett, gates, rockefeller, bloomberg a...
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